The unfaithfulness of a married person to the marriage bed; sexual intercourse by a married man with another than his wife, or voluntary sexual intercourse by a married woman with another than her husband.
Lewdness or unchastity of thought as well as act, as forbidden by the seventh commandment.
Faithlessness in religion.
The fine and penalty imposed for the offense of adultery.
The intrusion of a person into a bishopric during the life of the bishop.
All the commandments: You shall not commit adultery, you shall not kill, you shall not steal, you shall not covet, and so on, are summed up in this single command: You must love your neighbor as yourself. Jesus Christ
Dad could talk about peace and love out loud to the world, but he could never show it to the people who supposedly meant the most to him: his wife and son. How can you talk about peace and love and have a family in bits and pieces - no communication, adultery, divorce? You can't do it, not if you're being true and honest with yourself. Julian Lennon
I keep coming back to it, over and over - adultery and cheating. It's the most interesting problem in the theater. How else do you get Oedipus? That's the first cheating in the theater. Mike Nichols
The first breath of adultery is the freest; after it, constraints aping marriage develop. John Updike
Passion is the evil in adultery. If a man has no opportunity of living with another man's wife, but if it is obvious for some reason that he would like to do so, and would do so if he could, he is no less guilty than if he was caught in the act. Saint Augustine